<html> 
<head> 
<script type="text/javascript"> 
	function getFileUrl(sourceId) { 
		var url; 
		if (navigator.userAgent.indexOf("MSIE")>=1) { // IE 
		url = document.getElementById(sourceId).value; 
	} 
		else if(navigator.userAgent.indexOf("Firefox")>0) { // Firefox 
		url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); 
	} 
		else if(navigator.userAgent.indexOf("Chrome")>0) { // Chrome 
		url = window.URL.createObjectURL(document.getElementById(sourceId).files.item(0)); 
	} 
		return url; 
	}
	function preImg(sourceId, targetId) { 
		var url = getFileUrl(sourceId); 
		var imgPre = document.getElementById(targetId); 
		imgPre.src = url; 
	} 
</script> 
</head> 
<body> 
	<input type="file" name="imgOne" id="imgOne1" onchange="preImg(this.id,'imgPre');" /> 
	<img id="imgPre" src="" style="display: block;" /> 
</body> 
</html> 
